body {
  padding: 50px 0;
  margin: 0 auto;
  min-height: calc(100vh - 100px);
  text-align: center;
  width: 100vw;
}

hr {
  width: 70%;
  background-color: #666;
  height: 2px;
  border: 1px solid #666;
  margin-top: 30px;
  margin-bottom: 20px;
}

section {
  display: inline-block;
  width: 30%;
  margin: 20px auto;
}

section > ul {
  list-style: inside;
  padding: 0;
  text-align: left;
}